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For gasoline consumption and substitution, see:
http://auto.howstuffworks.com/fuel-efficiency/fuel-economy/question4771.htm
http://www3.interscience.wiley.com/journal/120065486/abstract?CRETRY=1&SRETRY=0
http://news.carjunky.com/gas_mileage/gas-mileage-and-speeding-abc485.shtml
For production information on General Motors, Ford, Chrysler, and Toyota, see:
General Motors: http://www.gm.com
Ford: http://www.ford.com
Chrysler: http://www.chrysler.com
Toyota: http://www.toyota.com
For competition between Xerox and Canon, see:
Canon: http://www.usa.canon.com
Xerox: http://www.xerox.com
For computer-aided design (CAD) and computer-aided manufacturing (CAM), see:
Microsoft: http://www.microsoft.com
Motorola: http://www.mot.com
Dell: http://www.dell.com
Caterpillar: http://www.caterpillar.com
For information on the European Monetary Union, the euro and the international competitiveness of European firms, see:
http://fistfulofeuros.net/afoe/economics-and-demography/competitiveness-gaps-could-hurt-euro/